@charset "UTF-8";
/*汉堡菜单*/
nav.navbar-default{
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  width: 100%;
  height: 50px;
  border-radius: 0;
  background-color: rgba(0, 0, 0, 0.8);
  border: 0;
  display: none;
  @media (max-width: 768px) {
    .navbar-collapse{
      border-top: 0;
      .navbar-nav{
        margin-top: 0;
        background-color: rgb(0, 0, 0);
        border-radius: 6px;
      }
    }
    .navbar-header{
      width: 100%;
      .navbar-toggle{
        transform: translateX(30px);
      }
    }
  }
}
/*导航图标*/
ul.connectUl {
  margin-right: 30px;
  position: fixed;
  z-index: 1000;
  right: 1%;
  top: 20%;
  width: 8%;
  height: 60%;
  -webkit-margin-before: 0;
  -webkit-margin-after: 0;
  -webkit-margin-start: 0px;
  -webkit-margin-end: 0px;
  -webkit-padding-start: 0;
  li {
    width: 100%;
    height: 25%;
    a {
      display: block;
      width: 100%;
      height: 100%;
      border-radius: 16px;
      background-size: 100% 100%;
      text-align: center;
      margin-top: 15px;
      position: relative;
      span {
        font-size: 30px;
        font-weight: 700;
        color: white;
        display: none;
        position: relative;
        z-index: 999;
      }
      @media (max-width: 768px) {
        span{
          font-size: 0;
        }
      }
      div {
        position: absolute;
        top: 0;
        left: 0;
        display: block;
        width: 100%;
        height: 100%;
        border-radius: 0.8rem;
        background-color: rgba(0, 0, 0, 0);
      }
    }
    a:hover span {
      display: inline-block;
    }
    a:hover div {
      background-color: rgba(0, 0, 0, 0.8);
    }
    @media (max-width: 768px) {
      a{
        border-radius: 4px;
      }
    }
  }
  li:nth-child(1) a {
    line-height: 100px;
    background-image: url('../images/first-header.jpg');
  }
  li:nth-child(2) a {
    line-height: 50px;
    background-image: url('../images/first-header2.jpg');
  }
  li:nth-child(3) a {
    line-height: 50px;
    background-image: url('../images/first-header3.jpg');
  }
  @media (max-width: 768px) {
    li:nth-child(1) a {
      line-height: 32px;
    }
    li:nth-child(2) a {
      line-height: 16px;
    }
    li:nth-child(3) a {
      line-height: 16px;
    }
  }
}
@media (max-width: 768px) {
  ul.connectUl {
    top: 13%;
    li {
      height: 20%;
    }
  }
}

/*音乐播放器*/
audio {
  width: 25%;
  height: 40px;
  position: absolute;
  top: 1%;
  right: 1%;
  z-index: 2;
}
@media (max-width: 768px) {
  display: none;
}



